On Sat, 20 Jan 2018 13:54:42 -0600, "Byker" wrote:

JFK-LHR in 5 hrs. 13 min.

https://www.youtube.com/watch?v=n5KCIph3NH4

I wonder if the return trip would necessitate a stop in Newfoundland...

At least one of the images in the video is a 737.

The basic message is "we flew faster than any plane that hasn't flown
it faster than us, with the help of a 200mph tailwind."